Country	Kind code	Description
Canada (CA)	A	PATENT (PUBLISHED BEFORE 1973) [FROM 1 TO 1275150]
	A1	PATENT (PUBLISHED FROM 1973 ONWARDS) [FROM 1 TO 1275150] or APPLICATION LAID OPEN [FROM 2000001 ON]
	A2	DIVISION OF PATENT [FROM 1 TO 1275150]
	B	REISSUE OF PATENT [FROM 1 TO 1275150]
	C	PATENT (PUBLISHED FROM 16.10.1990 ONWARDS) [FROM 1275151 TO 2000000] or PATENT (SECOND LEVEL) [FROM 2000001 ON]
	C2	DIVISION OF PATENT [FROM 1275151 TO 2000000]
	E	REISSUE PATENT (FIRST LEVEL)
	F	REEXAMINATION CERTIFICATE
	S	REGISTERED DESIGN [FROM # 01-01-1861 ONWARDS]